Answer:
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Step-by-step explanation:
ur welcome ;)
The surface area of a sphere is 4r^2pi, so dividing 100 by 4pi gives a result of 25/pi. Taking the square root and rationalizing the denominator, we have 5sqrt(pi)/pi as the radius of the sphere.
the answer willllll be 6 units
If you use the same technique from the first question, you can do:
5x+2=3x+42
2x=40
x=20
For the rest of the questions, please use the same technique if they are vertical because I can't solve all of the questions for you sorry.
Answer:
or 
Step-by-step explanation:
Multiply both sides of the equation by 
Simplify both sides of the equation.
or
<em>hope this helps :)</em>
